The Rolex reference number 166520 doesn't exist. The information provided conflates the reference number with the Rolex Daytona, specifically the reference 116520. This article will address the confusion, explore the characteristics of the 116520 Daytona, and then delve into the true history and allure of the Rolex Sea-Dweller 1665, the reference number frequently mistaken for the 116520 due to a simple typographical error.
The original prompt contains a crucial mistake: the reference 166520 is not a valid Rolex reference number. The likely intended reference is the Rolex Daytona 116520. This model, produced between 2000 and 2016, represents a significant chapter in the history of this iconic chronograph. While superficially similar to its predecessor, the 16520, the 116520 boasts a crucial upgrade: the introduction of Rolex's in-house caliber 4130 movement. This marked a departure from the Zenith El Primero-based movements used in previous generations, solidifying Rolex's complete control over the Daytona's intricate mechanism.
The visual differences between the 116520 and its predecessor, the 16520, are subtle but significant to the discerning collector. The most obvious change is the movement itself, invisible to the naked eye but crucial to the watch's performance and longevity. The 4130 movement is known for its superior reliability, increased power reserve, and improved efficiency. Furthermore, subtle adjustments were made to the dial and hands, though these are often only noticeable upon close comparison. The 116520 continued to offer the classic Daytona aesthetic: a tri-compax layout, tachymeter bezel, and the iconic Oyster case. This consistency ensured its popularity and cemented its place as a highly sought-after timepiece.
The 116520 Daytona is available in various dial configurations, adding to its appeal and collectibility. While the most common variations feature black or white dials, rarer examples with different colorways exist and command significantly higher prices in the secondary market. The condition of the watch, its box and papers, and its overall history all contribute to its value.
Now, let's address the confusion surrounding the reference number and explore the actual Rolex 1665, the watch whose name is so closely associated with the erroneous 166520. The Rolex Sea-Dweller 1665, a true legend in the world of diving watches, holds a special place in the hearts of collectors. Produced from 1967 to 1978, the 1665 represents a pivotal moment in Rolex's dive watch history, offering significant improvements in water resistance and functionality compared to its predecessors.
The 1665 Sea-Dweller is often referred to using various nicknames, reflecting its unique features and history. These nicknames often refer to specific dial variations or features:
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